bool
OrthoNode::setPosition( const GeoPoint& position )
{
MapNode* mapNode = getMapNode();
if ( mapNode )
{
// first transform the point to the map's SRS:
const SpatialReference* mapSRS = mapNode->getMapSRS();
GeoPoint mapPos = mapSRS ? position.transform(mapSRS) : position;
if ( !mapPos.isValid() )
return false;
_mapPosition = mapPos;
}
else
{
_mapPosition = position;
}
// make sure the node is set up for auto-z-update if necessary:
configureForAltitudeMode( _mapPosition.altitudeMode() );
// and update the node.
if ( !updateTransforms(_mapPosition) )
return false;
return true;
}
bool
AddPointHandler::addPoint( float x, float y, osgViewer::View* view )
{
osg::Vec3d world;
MapNode* mapNode = _featureNode->getMapNode();
if ( mapNode->getTerrain()->getWorldCoordsUnderMouse( view, x, y, world ) )
{
// Get the map point from the world
GeoPoint mapPoint;
mapPoint.fromWorld( mapNode->getMapSRS(), world );
Feature* feature = _featureNode->getFeature();
if ( feature )
{
// Convert the map point to the feature's SRS
GeoPoint featurePoint = mapPoint.transform( feature->getSRS() );
feature->getGeometry()->push_back( featurePoint.vec3d() );
_featureNode->init();
return true;
}
}
return false;
}
int
seed( osg::ArgumentParser& args )
{
//Read the min level
unsigned int minLevel = 0;
while (args.read("--min-level", minLevel));
//Read the max level
unsigned int maxLevel = 5;
while (args.read("--max-level", maxLevel));
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin=DBL_MAX, ymin=DBL_MAX, xmax=DBL_MIN, ymax=DBL_MIN;
while (args.read("--bounds", xmin, ymin, xmax, ymax ))
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
//Read the cache override directory
std::string cachePath;
while (args.read("--cache-path", cachePath));
//Read the cache type
std::string cacheType;
while (args.read("--cache-type", cacheType));
bool verbose = args.read("--verbose");
//Read in the earth file.
osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles( args );
if ( !node.valid() )
return usage( "Failed to read .earth file." );
MapNode* mapNode = MapNode::findMapNode( node.get() );
if ( !mapNode )
return usage( "Input file was not a .earth file" );
CacheSeed seeder;
seeder.setMinLevel( minLevel );
seeder.setMaxLevel( maxLevel );
for (unsigned int i = 0; i < bounds.size(); i++)
{
GeoExtent extent(mapNode->getMapSRS(), bounds[i]);
OE_DEBUG << "Adding extent " << extent.toString() << std::endl;
seeder.addExtent( extent );
}
if (verbose)
{
seeder.setProgressCallback(new ConsoleProgressCallback);
}
seeder.seed( mapNode->getMap() );
return 0;
}
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// help?
if ( arguments.read("--help") )
return usage(argv[0]);
osgViewer::Viewer viewer(arguments);
EarthManipulator* em = new EarthManipulator();
viewer.setCameraManipulator( em );
// load an earth file, and support all or our example command-line options
// and earth file <external> tags
osg::Node* earth = MapNodeHelper().load( arguments, &viewer );
MapNode* mapNode = MapNode::get(earth);
if (!mapNode)
return usage(argv[0]);
// load the model file into the local coordinate frame, which will be
// +X=east, +Y=north, +Z=up.
osg::Node* model = osgDB::readNodeFile("cessna.osgt.1,-1,1.scale");
if ( !model )
return usage(argv[0]);
osg::Group* root = new osg::Group();
root->addChild( earth );
App app;
app.srs = mapNode->getMapSRS();
app.geo = new GeoTransform();
app.geo->setTerrain( mapNode->getTerrain() );
app.pat = new osg::PositionAttitudeTransform();
app.pat->addChild( model );
app.geo->addChild( app.pat );
root->addChild( app.geo );
viewer.setSceneData( root );
viewer.getCamera()->setNearFarRatio(0.00002);
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
ui::ControlCanvas::getOrCreate(&viewer)->addControl( makeUI(app) );
app.apply();
em->setTetherNode( app.geo );
osgEarth::Viewpoint vp;
vp.setNode( app.geo );
vp.heading()->set( -45.0, Units::DEGREES );
vp.pitch()->set( -20.0, Units::DEGREES );
vp.range()->set( model->getBound().radius()*10.0, Units::METERS );
em->setViewpoint( vp );
return viewer.run();
}
bool
OrthoNode::setPosition( const GeoPoint& position )
{
MapNode* mapNode = getMapNode();
if ( mapNode )
{
// first transform the point to the map's SRS:
const SpatialReference* mapSRS = mapNode->getMapSRS();
//$$$注释
//GeoPoint mapPos = mapSRS ? position.transform(mapSRS) : position;
//if ( !mapPos.isValid() )
// return false;
//_mapPosition = mapPos;
//$$$修改
if ( mapSRS && position.isValid() )//position原来SRS信息不为空
{
position.transform( mapSRS );
_mapPosition = position;
}
else if ( mapSRS )
{
_mapPosition = GeoPoint( mapSRS, position.x(), position.y(), position.z() );//position原来SRS信息为空
}
else
{
_mapPosition = position;
}
}
else
{
_mapPosition = position;
}
// make sure the node is set up for auto-z-update if necessary:
configureForAltitudeMode( _mapPosition.altitudeMode() );
// and update the node.
if ( !updateTransforms(_mapPosition) )
return false;
return true;
}
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
if ( arguments.read("--stencil") )
osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );
//Setup a CompositeViewer
osgViewer::CompositeViewer viewer(arguments);
//Setup our main view that will show the loaded earth file.
osgViewer::View* mainView = new osgViewer::View();
mainView->getCamera()->setNearFarRatio(0.00002);
mainView->setCameraManipulator( new EarthManipulator() );
mainView->setUpViewInWindow( 50, 50, 800, 800 );
viewer.addView( mainView );
//Setup a MiniMap View that will be embedded in the main view
int miniMapWidth = 400;
int miniMapHeight = 200;
osgViewer::View* miniMapView = new osgViewer::View();
miniMapView->getCamera()->setNearFarRatio(0.00002);
miniMapView->getCamera()->setViewport( 0, 0, miniMapWidth, miniMapHeight);
miniMapView->setCameraManipulator( new EarthManipulator() );
miniMapView->getCamera()->setClearColor( osg::Vec4(0,0,0,0));
miniMapView->getCamera()->setProjectionResizePolicy( osg::Camera::FIXED );
miniMapView->getCamera()->setProjectionMatrixAsPerspective(30.0, double(miniMapWidth) / double(miniMapHeight), 1.0, 1000.0);
//Share a graphics context with the main view
miniMapView->getCamera()->setGraphicsContext( mainView->getCamera()->getGraphicsContext());
viewer.addView( miniMapView );
// load an earth file, and support all or our example command-line options
// and earth file <external> tags
osg::Node* node = MapNodeHelper().load( arguments, mainView );
if ( node )
{
MapNode* mapNode = MapNode::findMapNode(node);
//Set the main view's scene data to the loaded earth file
mainView->setSceneData( node );
//Setup a group to hold the contents of the MiniMap
osg::Group* miniMapGroup = new osg::Group;
MapNode* miniMapNode = makeMiniMapNode();
miniMapGroup->addChild( miniMapNode );
//Get the main MapNode so we can do tranformations between it and our minimap
MapNode* mainMapNode = MapNode::findMapNode( node );
//Set the scene data for the minimap
miniMapView->setSceneData( miniMapGroup );
//Add a marker we can move around with the main view's eye point
Style markerStyle;
markerStyle.getOrCreate<IconSymbol>()->url()->setLiteral( "../data/placemark32.png" );
PlaceNode* eyeMarker = new PlaceNode(miniMapNode, GeoPoint(miniMapNode->getMapSRS(), 0, 0), "", markerStyle);
miniMapGroup->addChild( eyeMarker );
miniMapGroup->getOrCreateStateSet()->setRenderBinDetails(100, "RenderBin");
osg::Node* bounds = 0;
while (!viewer.done())
{
//Reset the viewport so that the camera's viewport is static and doesn't resize with window resizes
miniMapView->getCamera()->setViewport( 0, 0, miniMapWidth, miniMapHeight);
//Get the eye point of the main view
osg::Vec3d eye, up, center;
mainView->getCamera()->getViewMatrixAsLookAt( eye, center, up );
//Turn the eye into a geopoint and transform it to the minimap's SRS
GeoPoint eyeGeo;
eyeGeo.fromWorld( mainMapNode->getMapSRS(), eye );
eyeGeo.transform( miniMapNode->getMapSRS());
//We want the marker to be positioned at elevation 0, so zero out any elevation in the eye point
eyeGeo.z() = 0;
//Set the position of the marker
eyeMarker->setPosition( eyeGeo );
if (bounds)
{
miniMapGroup->removeChild( bounds );
}
GeoExtent extent = getExtent( mainView );
bounds = drawBounds( miniMapNode, extent );
miniMapGroup->addChild( bounds );
viewer.frame();
}
}
else
{
OE_NOTICE
<< "\nUsage: " << argv[0] << " file.earth" << std::endl
<< MapNodeHelper().usage() << std::endl;
}
return 0;
}
int
main(int argc, char** argv)
{
osg::Group* root = new osg::Group();
// try to load an earth file.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
unsigned int numObjects = 200;
while (arguments.read("--count", numObjects)) {}
bool declutter = false;
if (arguments.read("--declutter")) declutter = true;
// initialize the viewer:
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file and parse demo arguments
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage(argv);
// find the map node that we loaded.
MapNode* mapNode = MapNode::findMapNode(node);
if ( !mapNode )
return usage(argv);
root->addChild( node );
// Make a group for 2D items, and activate the decluttering engine. Decluttering
// will migitate overlap between elements that occupy the same screen real estate.
osg::Group* labelGroup = new osg::Group();
if (declutter)
{
Decluttering::setEnabled( labelGroup->getOrCreateStateSet(), true );
}
root->addChild( labelGroup );
// set up a style to use for placemarks:
Style placeStyle;
placeStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_RELATIVE_TO_TERRAIN;
// A lat/long SRS for specifying points.
const SpatialReference* geoSRS = mapNode->getMapSRS()->getGeographicSRS();
//--------------------------------------------------------------------
//Create a bunch of placemarks around Mt Rainer so we can actually get some elevation
{
osg::Image* pin = osgDB::readImageFile( "../data/placemark32.png" );
double centerLat = 46.840866;
double centerLon = -121.769846;
double height = 0.2;
double width = 0.2;
double minLat = centerLat - (height/2.0);
double minLon = centerLon - (width/2.0);
OE_NOTICE << "Placing " << numObjects << " placemarks" << std::endl;
for (unsigned int i = 0; i < numObjects; i++)
{
double lat = minLat + height * (rand() * 1.0)/(RAND_MAX-1);
double lon = minLon + width * (rand() * 1.0)/(RAND_MAX-1);
PlaceNode* place = new PlaceNode(mapNode, GeoPoint(geoSRS, lon, lat), pin, "Placemark", placeStyle);
//Enable occlusion culling. This will hide placemarks that are hidden behind terrain.
//This makes use of the OcclusionCullingCallback in CullingUtils.
place->setOcclusionCulling( true );
labelGroup->addChild( place );
}
}
viewer.setSceneData( root );
viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
return viewer.run();
}
int
seed( osg::ArgumentParser& args )
{
osgDB::Registry::instance()->getReaderWriterForExtension("png");
osgDB::Registry::instance()->getReaderWriterForExtension("jpg");
osgDB::Registry::instance()->getReaderWriterForExtension("tiff");
//Read the min level
int minLevel = -1;
while (args.read("--min-level", minLevel));
//Read the max level
int maxLevel = -1;
while (args.read("--max-level", maxLevel));
bool estimate = args.read("--estimate");
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin=DBL_MAX, ymin=DBL_MAX, xmax=DBL_MIN, ymax=DBL_MIN;
while (args.read("--bounds", xmin, ymin, xmax, ymax ))
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
std::string tileList;
while (args.read( "--tiles", tileList ) );
bool verbose = args.read("--verbose");
unsigned int batchSize = 0;
args.read("--batchsize", batchSize);
// Read the concurrency level
unsigned int concurrency = 0;
args.read("-c", concurrency);
args.read("--concurrency", concurrency);
int imageLayerIndex = -1;
args.read("--image", imageLayerIndex);
int elevationLayerIndex = -1;
args.read("--elevation", elevationLayerIndex);
//Read in the earth file.
osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles( args );
if ( !node.valid() )
return usage( "Failed to read .earth file." );
MapNode* mapNode = MapNode::findMapNode( node.get() );
if ( !mapNode )
return usage( "Input file was not a .earth file" );
// Read in an index shapefile
std::string index;
while (args.read("--index", index))
{
//Open the feature source
OGRFeatureOptions featureOpt;
featureOpt.url() = index;
osg::ref_ptr< FeatureSource > features = FeatureSourceFactory::create( featureOpt );
Status status = features->open();
if (status.isOK())
{
osg::ref_ptr< FeatureCursor > cursor = features->createFeatureCursor(0L);
while (cursor.valid() && cursor->hasMore())
{
osg::ref_ptr< Feature > feature = cursor->nextFeature();
osgEarth::Bounds featureBounds = feature->getGeometry()->getBounds();
GeoExtent ext( feature->getSRS(), featureBounds );
ext = ext.transform( mapNode->getMapSRS() );
bounds.push_back( ext.bounds() );
}
}
else
{
OE_WARN << status.message() << "\n";
}
}
// If they requested to do an estimate then don't do the seed, just print out the estimated values.
if (estimate)
{
CacheEstimator est;
if ( minLevel >= 0 )
est.setMinLevel( minLevel );
if ( maxLevel >= 0 )
est.setMaxLevel( maxLevel );
est.setProfile( mapNode->getMap()->getProfile() );
for (unsigned int i = 0; i < bounds.size(); i++)
{
GeoExtent extent(mapNode->getMapSRS(), bounds[i]);
OE_DEBUG << "Adding extent " << extent.toString() << std::endl;
est.addExtent( extent );
}
unsigned int numTiles = est.getNumTiles();
double size = est.getSizeInMB();
double time = est.getTotalTimeInSeconds();
std::cout << "Cache Estimation " << std::endl
<< "---------------- " << std::endl
<< "Total number of tiles: " << numTiles << std::endl
<< "Size on disk: " << osgEarth::prettyPrintSize( size ) << std::endl
<< "Total time: " << osgEarth::prettyPrintTime( time ) << std::endl;
return 0;
}
osg::ref_ptr< TileVisitor > visitor;
// If we are given a task file, load it up and create a new TileKeyListVisitor
if (!tileList.empty())
{
TaskList tasks( mapNode->getMap()->getProfile() );
tasks.load( tileList );
TileKeyListVisitor* v = new TileKeyListVisitor();
v->setKeys( tasks.getKeys() );
visitor = v;
OE_DEBUG << "Read task list with " << tasks.getKeys().size() << " tasks" << std::endl;
}
// If we dont' have a visitor create one.
if (!visitor.valid())
{
if (args.read("--mt"))
{
// Create a multithreaded visitor
MultithreadedTileVisitor* v = new MultithreadedTileVisitor();
if (concurrency > 0)
{
v->setNumThreads(concurrency);
}
visitor = v;
}
else if (args.read("--mp"))
{
// Create a multiprocess visitor
MultiprocessTileVisitor* v = new MultiprocessTileVisitor();
if (concurrency > 0)
{
v->setNumProcesses(concurrency);
}
if (batchSize > 0)
{
v->setBatchSize(batchSize);
}
// Try to find the earth file
std::string earthFile;
for(int pos=1;pos<args.argc();++pos)
{
if (!args.isOption(pos))
{
earthFile = args[ pos ];
break;
}
}
v->setEarthFile( earthFile );
visitor = v;
}
else
{
// Create a single thread visitor
visitor = new TileVisitor();
}
}
osg::ref_ptr< ProgressCallback > progress = new ConsoleProgressCallback();
if (verbose)
{
visitor->setProgressCallback( progress.get() );
}
if ( minLevel >= 0 )
visitor->setMinLevel( minLevel );
if ( maxLevel >= 0 )
visitor->setMaxLevel( maxLevel );
for (unsigned int i = 0; i < bounds.size(); i++)
{
GeoExtent extent(mapNode->getMapSRS(), bounds[i]);
OE_DEBUG << "Adding extent " << extent.toString() << std::endl;
visitor->addExtent( extent );
}
// Initialize the seeder
CacheSeed seeder;
seeder.setVisitor(visitor.get());
osgEarth::Map* map = mapNode->getMap();
// They want to seed an image layer
if (imageLayerIndex >= 0)
{
osg::ref_ptr< ImageLayer > layer = map->getLayerAt<ImageLayer>( imageLayerIndex );
if (layer)
{
OE_NOTICE << "Seeding single layer " << layer->getName() << std::endl;
osg::Timer_t start = osg::Timer::instance()->tick();
seeder.run(layer.get(), map);
osg::Timer_t end = osg::Timer::instance()->tick();
if (verbose)
{
OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
}
}
else
{
std::cout << "Failed to find an image layer at index " << imageLayerIndex << std::endl;
return 1;
}
}
// They want to seed an elevation layer
else if (elevationLayerIndex >= 0)
{
osg::ref_ptr< ElevationLayer > layer = map->getLayerAt<ElevationLayer>( elevationLayerIndex );
if (layer)
{
OE_NOTICE << "Seeding single layer " << layer->getName() << std::endl;
osg::Timer_t start = osg::Timer::instance()->tick();
seeder.run(layer.get(), map);
osg::Timer_t end = osg::Timer::instance()->tick();
if (verbose)
{
OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
}
}
else
{
std::cout << "Failed to find an elevation layer at index " << elevationLayerIndex << std::endl;
return 1;
}
}
// They want to seed the entire map
else
{
TerrainLayerVector terrainLayers;
map->getLayers(terrainLayers);
// Seed all the map layers
for (unsigned int i = 0; i < terrainLayers.size(); ++i)
{
osg::ref_ptr< TerrainLayer > layer = terrainLayers[i].get();
OE_NOTICE << "Seeding layer" << layer->getName() << std::endl;
osg::Timer_t start = osg::Timer::instance()->tick();
seeder.run(layer.get(), map);
osg::Timer_t end = osg::Timer::instance()->tick();
if (verbose)
{
OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
}
}
//for (unsigned int i = 0; i < map->getNumElevationLayers(); ++i)
//{
// osg::ref_ptr< ElevationLayer > layer = map->getElevationLayerAt(i);
// OE_NOTICE << "Seeding layer" << layer->getName() << std::endl;
// osg::Timer_t start = osg::Timer::instance()->tick();
// seeder.run(layer.get(), map);
// osg::Timer_t end = osg::Timer::instance()->tick();
// if (verbose)
// {
// OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
// }
//}
}
return 0;
}
int
seed( osg::ArgumentParser& args )
{
//Read the min level
unsigned int minLevel = 0;
while (args.read("--min-level", minLevel));
//Read the max level
unsigned int maxLevel = 5;
while (args.read("--max-level", maxLevel));
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin=DBL_MAX, ymin=DBL_MAX, xmax=DBL_MIN, ymax=DBL_MIN;
while (args.read("--bounds", xmin, ymin, xmax, ymax ))
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
//Read the cache override directory
std::string cachePath;
while (args.read("--cache-path", cachePath));
//Read the cache type
std::string cacheType;
while (args.read("--cache-type", cacheType));
bool verbose = args.read("--verbose");
//Read in the earth file.
osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles( args );
if ( !node.valid() )
return usage( "Failed to read .earth file." );
MapNode* mapNode = MapNode::findMapNode( node.get() );
if ( !mapNode )
return usage( "Input file was not a .earth file" );
CacheSeed seeder;
seeder.setMinLevel( minLevel );
seeder.setMaxLevel( maxLevel );
// Read in an index shapefile
std::string index;
while (args.read("--index", index))
{
//Open the feature source
OGRFeatureOptions featureOpt;
featureOpt.url() = index;
osg::ref_ptr< FeatureSource > features = FeatureSourceFactory::create( featureOpt );
features->initialize();
features->getFeatureProfile();
osg::ref_ptr< FeatureCursor > cursor = features->createFeatureCursor();
while (cursor.valid() && cursor->hasMore())
{
osg::ref_ptr< Feature > feature = cursor->nextFeature();
osgEarth::Bounds featureBounds = feature->getGeometry()->getBounds();
GeoExtent ext( feature->getSRS(), featureBounds );
ext = ext.transform( mapNode->getMapSRS() );
bounds.push_back( ext.bounds() );
}
}
for (unsigned int i = 0; i < bounds.size(); i++)
{
GeoExtent extent(mapNode->getMapSRS(), bounds[i]);
OE_DEBUG << "Adding extent " << extent.toString() << std::endl;
seeder.addExtent( extent );
}
if (verbose)
{
seeder.setProgressCallback(new ConsoleProgressCallback);
}
osg::Timer_t start = osg::Timer::instance()->tick();
seeder.seed( mapNode->getMap() );
osg::Timer_t end = osg::Timer::instance()->tick();
OE_NOTICE << "Completed seeding in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
return 0;
}
osg::Group*
addLights(osg::View* view, osg::Node* root, int lightNum)
{
MapNode* mapNode = MapNode::get(root);
const SpatialReference* mapsrs = mapNode->getMapSRS();
const SpatialReference* geosrs = mapsrs->getGeographicSRS();
osg::Vec3d world;
osg::Group* lights = new osg::Group();
// Add a directional light that simulates the sun - but skip this if a sky
// was already added in the earth file.
if (lightNum == 0)
{
Ephemeris e;
DateTime dt(2016, 8, 10, 14.0);
CelestialBody sun = e.getSunPosition(dt);
world = sun.geocentric;
osg::Light* sunLight = new osg::Light(lightNum++);
world.normalize();
sunLight->setPosition(osg::Vec4d(world, 0.0));
sunLight->setAmbient(osg::Vec4(0.2, 0.2, 0.2, 1.0));
sunLight->setDiffuse(osg::Vec4(1.0, 1.0, 0.9, 1.0));
osg::LightSource* sunLS = new osg::LightSource();
sunLS->setLight(sunLight);
lights->addChild( sunLS );
ShadowCaster* caster = osgEarth::findTopMostNodeOfType<ShadowCaster>(root);
if (caster)
{
OE_INFO << "Found a shadow caster!\n";
caster->setLight(sunLight);
}
}
#if 1
// A red spot light. A spot light has a real position in space
// and points in a specific direciton. The Cutoff and Exponent
// properties control the cone angle and sharpness, respectively
{
GeoPoint p(geosrs, -121, 34, 5000000., ALTMODE_ABSOLUTE);
p.toWorld(world);
osg::Light* spot = new osg::Light(lightNum++);
spot->setPosition(worldToVec4(world));
spot->setAmbient(osg::Vec4(0,0.2,0,1));
spot->setDiffuse(osg::Vec4(1,0,0,1));
spot->setSpotCutoff(20.0f);
spot->setSpotExponent(100.0f);
// point straight down at the map:
world.normalize();
spot->setDirection(-world);
osg::LightSource* spotLS = new osg::LightSource();
spotLS->setLight(spot);
lights->addChild( spotLS );
}
// A green point light. A Point light lives at a real location in
// space and lights equally in all directions.
{
GeoPoint p(geosrs, -45, -35, 1000000., ALTMODE_ABSOLUTE);
p.toWorld(world);
osg::Light* point = new osg::Light(lightNum++);
point->setPosition(worldToVec4(world));
point->setAmbient(osg::Vec4(0,0,0,1));
point->setDiffuse(osg::Vec4(1.0, 1.0, 0.0,1));
osg::LightSource* pointLS = new osg::LightSource();
pointLS->setLight(point);
lights->addChild( pointLS );
}
#endif
// Generate the necessary uniforms for the shaders.
GenerateGL3LightingUniforms gen;
lights->accept(gen);
return lights;
}
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// help?
if ( arguments.read("--help") )
return usage(argv[0]);
// create a viewer:
osgViewer::Viewer viewer(arguments);
// Tell the database pager to not modify the unref settings
viewer.getDatabasePager()->setUnrefImageDataAfterApplyPolicy( false, false );
// install our default manipulator (do this before calling load)
viewer.setCameraManipulator( new osgEarth::Util::EarthManipulator() );
// load an earth file, and support all or our example command-line options
// and earth file <external> tags
osg::Group* node = MapNodeHelper().load(arguments, &viewer, createUI());
if ( node )
{
// Make sure we don't already have a sky.
SkyNode* skyNode = osgEarth::findTopMostNodeOfType<SkyNode>(node);
if (skyNode)
{
OE_WARN << LC << "Earth file already has a Sky. This example requires an "
"earth file that does not use a sky already.\n";
return -1;
}
viewer.getCamera()->setNearFarRatio(0.00002);
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
MapNode* mapNode = MapNode::findMapNode( node );
// Create SilverLiningNode from SilverLiningOptions
osgEarth::SilverLining::SilverLiningOptions slOptions;
slOptions.user() = "my_user_name";
slOptions.licenseCode() = "my_license_code";
slOptions.cloudsMaxAltitude() = 100000;
const char* ev_sl = ::getenv("SILVERLINING_PATH");
if ( ev_sl )
{
slOptions.resourcePath() = osgDB::concatPaths(
std::string(ev_sl),
"Resources" );
}
else
{
OE_WARN << LC
<< "No resource path! SilverLining might not initialize properly. "
<< "Consider setting the SILVERLINING_PATH environment variable."
<< std::endl;
}
// TODO: uncommenting the callback on the following line results in a crash when SeedClouds is called.
s_settings.sky = new SilverLiningNode(
mapNode->getMapSRS(),
slOptions,
new SLCallback() );
// insert the new sky above the map node.
osgEarth::insertParent(s_settings.sky, mapNode);
// use the topmost node.
viewer.setSceneData(osgEarth::findTopOfGraph(node));
// connects the sky's light to the viewer.
s_settings.sky->attach(&viewer);
return viewer.run();
}
else
{
return usage(argv[0]);
}
}
int
main(int argc, char** argv)
{
osg::Group* root = new osg::Group();
// try to load an earth file.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file and parse demo arguments
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage(argv);
root->addChild( node );
// find the map node that we loaded.
MapNode* mapNode = MapNode::findMapNode(node);
if ( !mapNode )
return usage(argv);
// Group to hold all our annotation elements.
osg::Group* annoGroup = new osg::Group();
root->addChild( annoGroup );
//A group for all the editors
osg::Group* editorGroup = new osg::Group;
root->addChild( editorGroup );
editorGroup->setNodeMask( 0 );
HBox* box = ControlCanvas::getOrCreate(&viewer)->addControl( new HBox() );
box->setChildSpacing( 5 );
//Add a toggle button to toggle editing
CheckBoxControl* editCheckbox = new CheckBoxControl( false );
editCheckbox->addEventHandler( new ToggleNodeHandler( editorGroup ) );
box->addControl( editCheckbox );
LabelControl* labelControl = new LabelControl( "Edit Annotations" );
labelControl->setFontSize( 24.0f );
box->addControl( labelControl );
// Make a group for 2D items, and activate the decluttering engine. Decluttering
// will migitate overlap between elements that occupy the same screen real estate.
osg::Group* labelGroup = new osg::Group();
Decluttering::setEnabled( labelGroup->getOrCreateStateSet(), true );
annoGroup->addChild( labelGroup );
// Style our labels:
Style labelStyle;
labelStyle.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
labelStyle.getOrCreate<TextSymbol>()->fill()->color() = Color::Yellow;
// A lat/long SRS for specifying points.
const SpatialReference* geoSRS = mapNode->getMapSRS()->getGeographicSRS();
//--------------------------------------------------------------------
// A series of place nodes (an icon with a text label)
{
Style pin;
pin.getOrCreate<IconSymbol>()->url()->setLiteral( "../data/placemark32.png" );
// bunch of pins:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -74.00, 40.71), "New York" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -77.04, 38.85), "Washington, DC", pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-118.40, 33.93), "Los Angeles" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -71.03, 42.37), "Boston" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-157.93, 21.35), "Honolulu" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 139.75, 35.68), "Tokyo" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -90.25, 29.98), "New Orleans" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -80.28, 25.82), "Miami" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-117.17, 32.72), "San Diego" , pin));
// test with an LOD:
osg::LOD* lod = new osg::LOD();
lod->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 14.68, 50.0), "Prague", pin), 0.0, 1e6);
labelGroup->addChild( lod );
// absolute altitude:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -87.65, 41.90, 1000, ALTMODE_ABSOLUTE), "Chicago" , pin));
}
//--------------------------------------------------------------------
// a box that follows lines of latitude (rhumb line interpolation, the default)
{
Geometry* geom = new Polygon();
geom->push_back( osg::Vec3d(0, 40, 0) );
geom->push_back( osg::Vec3d(-60, 40, 0) );
geom->push_back( osg::Vec3d(-60, 60, 0) );
geom->push_back( osg::Vec3d(0, 60, 0) );
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Cyan;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 5.0f;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, new Feature(geom, geoSRS, geomStyle));
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-30, 50), "Rhumb line polygon", labelStyle) );
}
//--------------------------------------------------------------------
// another rhumb box that crosses the antimeridian
{
Geometry* geom = new Polygon();
geom->push_back( -160., -30. );
geom->push_back( 150., -20. );
geom->push_back( 160., -45. );
geom->push_back( -150., -40. );
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Lime;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, new Feature(geom, geoSRS, geomStyle));
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS, -175, -35), "Antimeridian polygon", labelStyle) );
}
//--------------------------------------------------------------------
// A path using great-circle interpolation.
{
Geometry* path = new LineString();
path->push_back( osg::Vec3d(-74, 40.714, 0) ); // New York
path->push_back( osg::Vec3d(139.75, 35.68, 0) ); // Tokyo
Style pathStyle;
pathStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Red;
pathStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
pathStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
pathStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
Feature* pathFeature = new Feature(path, geoSRS, pathStyle);
pathFeature->geoInterp() = GEOINTERP_GREAT_CIRCLE;
//OE_INFO << "Path extent = " << pathFeature->getExtent().toString() << std::endl;
FeatureNode* pathNode = new FeatureNode(mapNode, pathFeature);
annoGroup->addChild( pathNode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-170, 61.2), "Great circle path", labelStyle) );
}
//--------------------------------------------------------------------
// Two circle segments around New Orleans.
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Cyan, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(-45.0, Units::DEGREES), Angle(45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editorGroup->addChild( new CircleNodeEditor( circle ) );
}
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Red, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(45.0, Units::DEGREES), Angle(360.0 - 45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editorGroup->addChild( new CircleNodeEditor( circle ) );
}
//--------------------------------------------------------------------
// An extruded ellipse around Miami.
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Orange, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(45.0, Units::DEGREES),
Angle(360.0 - 45.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editorGroup->addChild( new EllipseNodeEditor( ellipse ) );
}
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Blue, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(-40.0, Units::DEGREES),
Angle(40.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editorGroup->addChild( new EllipseNodeEditor( ellipse ) );
}
//--------------------------------------------------------------------
{
// A rectangle around San Diego
Style rectStyle;
rectStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Green, 0.5);
rectStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
rectStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
RectangleNode* rect = new RectangleNode(
mapNode,
GeoPoint(geoSRS, -117.172, 32.721),
Distance(300, Units::KILOMETERS ),
Distance(600, Units::KILOMETERS ),
rectStyle);
annoGroup->addChild( rect );
editorGroup->addChild( new RectangleNodeEditor( rect ) );
}
//--------------------------------------------------------------------
// An extruded polygon roughly the shape of Utah. Here we demonstrate the
// FeatureNode, where you create a geographic geometry and use it as an
// annotation.
{
Geometry* utah = new Polygon();
utah->push_back( -114.052, 37.0 );
utah->push_back( -109.054, 37.0 );
utah->push_back( -109.054, 41.0 );
utah->push_back( -111.040, 41.0 );
utah->push_back( -111.080, 42.059 );
utah->push_back( -114.080, 42.024 );
Style utahStyle;
utahStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
utahStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::White, 0.8);
Feature* utahFeature = new Feature(utah, geoSRS, utahStyle);
FeatureNode* featureNode = new FeatureNode(mapNode, utahFeature);
annoGroup->addChild( featureNode );
}
//--------------------------------------------------------------------
// an image overlay.
{
ImageOverlay* imageOverlay = 0L;
osg::Image* image = osgDB::readImageFile( "../data/USFLAG.TGA" );
if ( image )
{
imageOverlay = new ImageOverlay(mapNode, image);
imageOverlay->setBounds( Bounds( -100.0, 35.0, -90.0, 40.0) );
annoGroup->addChild( imageOverlay );
editorGroup->addChild( new ImageOverlayEditor( imageOverlay ) );
}
}
//--------------------------------------------------------------------
// install decoration. These change the appearance of an Annotation
// based on some user action.
// highlight annotation upon hover by default:
DecorationInstaller highlightInstaller("hover", new HighlightDecoration());
annoGroup->accept( highlightInstaller );
// scale labels when hovering:
DecorationInstaller scaleInstaller("hover", new ScaleDecoration(1.1f));
labelGroup->accept( scaleInstaller );
// install an event handler for picking and hovering.
AnnotationEventCallback* cb = new AnnotationEventCallback();
cb->addHandler( new MyAnnoEventHandler() );
annoGroup->addEventCallback( cb );
//--------------------------------------------------------------------
// initialize the viewer:
viewer.setSceneData( root );
viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
return viewer.run();
}
int
main(int argc, char** argv)
{
osg::Group* root = new osg::Group();
// try to load an earth file.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file and parse demo arguments
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage(argv);
root->addChild( node );
// find the map node that we loaded.
MapNode* mapNode = MapNode::findMapNode(node);
if ( !mapNode )
return usage(argv);
// Group to hold all our annotation elements.
osg::Group* annoGroup = new osg::Group();
root->addChild( annoGroup );
// Make a group for labels
osg::Group* labelGroup = new osg::Group();
annoGroup->addChild( labelGroup );
osg::Group* editGroup = new osg::Group();
root->addChild( editGroup );
// Style our labels:
Style labelStyle;
labelStyle.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
labelStyle.getOrCreate<TextSymbol>()->fill()->color() = Color::Yellow;
// A lat/long SRS for specifying points.
const SpatialReference* geoSRS = mapNode->getMapSRS()->getGeographicSRS();
//--------------------------------------------------------------------
// A series of place nodes (an icon with a text label)
{
Style pm;
pm.getOrCreate<IconSymbol>()->url()->setLiteral( "../data/placemark32.png" );
pm.getOrCreate<IconSymbol>()->declutter() = true;
pm.getOrCreate<TextSymbol>()->halo() = Color("#5f5f5f");
// bunch of pins:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -74.00, 40.71), "New York" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -77.04, 38.85), "Washington, DC", pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-118.40, 33.93), "Los Angeles" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -71.03, 42.37), "Boston" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-157.93, 21.35), "Honolulu" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 139.75, 35.68), "Tokyo" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -90.25, 29.98), "New Orleans" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -80.28, 25.82), "Miami" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-117.17, 32.72), "San Diego" , pm));
// test with an LOD:
osg::LOD* lod = new osg::LOD();
lod->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 14.68, 50.0), "Prague", pm), 0.0, 2e6);
labelGroup->addChild( lod );
// absolute altitude:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -87.65, 41.90, 1000, ALTMODE_ABSOLUTE), "Chicago", pm));
}
//--------------------------------------------------------------------
// a box that follows lines of latitude (rhumb line interpolation, the default)
{
Geometry* geom = new Polygon();
geom->push_back( osg::Vec3d(0, 40, 0) );
geom->push_back( osg::Vec3d(-60, 40, 0) );
geom->push_back( osg::Vec3d(-60, 60, 0) );
geom->push_back( osg::Vec3d(0, 60, 0) );
Feature* feature = new Feature(geom, geoSRS);
feature->geoInterp() = GEOINTERP_RHUMB_LINE;
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Cyan;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 5.0f;
geomStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* fnode = new FeatureNode(mapNode, feature, geomStyle);
annoGroup->addChild( fnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-30, 50), "Rhumb line polygon", labelStyle) );
}
//--------------------------------------------------------------------
// another rhumb box that crosses the antimeridian
{
Geometry* geom = new Polygon();
geom->push_back( -160., -30. );
geom->push_back( 150., -20. );
geom->push_back( 160., -45. );
geom->push_back( -150., -40. );
Style geomStyle;
Feature* feature = new Feature(geom, geoSRS);
feature->geoInterp() = GEOINTERP_RHUMB_LINE;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Lime;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
geomStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, feature, geomStyle);
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS, -175, -35), "Antimeridian polygon", labelStyle) );
}
//--------------------------------------------------------------------
// A path using great-circle interpolation.
// Keep a pointer to it so we can modify it later on.
FeatureNode* pathNode = 0;
{
Geometry* path = new LineString();
path->push_back( osg::Vec3d(-74, 40.714, 0) ); // New York
path->push_back( osg::Vec3d(139.75, 35.68, 0) ); // Tokyo
Feature* pathFeature = new Feature(path, geoSRS);
pathFeature->geoInterp() = GEOINTERP_GREAT_CIRCLE;
Style pathStyle;
pathStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::White;
pathStyle.getOrCreate<LineSymbol>()->stroke()->width() = 1.0f;
pathStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
pathStyle.getOrCreate<PointSymbol>()->size() = 5;
pathStyle.getOrCreate<PointSymbol>()->fill()->color() = Color::Red;
pathStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
pathStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
//OE_INFO << "Path extent = " << pathFeature->getExtent().toString() << std::endl;
pathNode = new FeatureNode(mapNode, pathFeature, pathStyle);
annoGroup->addChild( pathNode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-170, 61.2), "Great circle path", labelStyle) );
}
//--------------------------------------------------------------------
// Two circle segments around New Orleans.
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Cyan, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(-45.0, Units::DEGREES), Angle(45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editGroup->addChild( new CircleNodeEditor(circle) );
}
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Red, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(45.0, Units::DEGREES), Angle(360.0 - 45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editGroup->addChild( new CircleNodeEditor(circle) );
}
//--------------------------------------------------------------------
// An extruded ellipse around Miami.
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Orange, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(45.0, Units::DEGREES),
Angle(360.0 - 45.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editGroup->addChild( new EllipseNodeEditor(ellipse) );
}
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Blue, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(-40.0, Units::DEGREES),
Angle(40.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editGroup->addChild( new EllipseNodeEditor(ellipse) );
}
//--------------------------------------------------------------------
{
// A rectangle around San Diego
Style rectStyle;
rectStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Green, 0.5);
rectStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
rectStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
RectangleNode* rect = new RectangleNode(
mapNode,
GeoPoint(geoSRS, -117.172, 32.721),
Distance(300, Units::KILOMETERS ),
Distance(600, Units::KILOMETERS ),
rectStyle);
annoGroup->addChild( rect );
editGroup->addChild( new RectangleNodeEditor(rect) );
}
//--------------------------------------------------------------------
// An extruded polygon roughly the shape of Utah. Here we demonstrate the
// FeatureNode, where you create a geographic geometry and use it as an
// annotation.
{
Geometry* utah = new Polygon();
utah->push_back( -114.052, 37.0 );
utah->push_back( -109.054, 37.0 );
utah->push_back( -109.054, 41.0 );
utah->push_back( -111.040, 41.0 );
utah->push_back( -111.080, 42.059 );
utah->push_back( -114.080, 42.024 );
Style utahStyle;
utahStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
utahStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::White, 0.8);
Feature* utahFeature = new Feature(utah, geoSRS);
FeatureNode* featureNode = new FeatureNode(mapNode, utahFeature, utahStyle);
annoGroup->addChild( featureNode );
}
//--------------------------------------------------------------------
// an image overlay.
{
ImageOverlay* imageOverlay = 0L;
osg::Image* image = osgDB::readImageFile( "../data/USFLAG.TGA" );
if ( image )
{
imageOverlay = new ImageOverlay(mapNode, image);
imageOverlay->setBounds( Bounds( -100.0, 35.0, -90.0, 40.0) );
annoGroup->addChild( imageOverlay );
editGroup->addChild( new ImageOverlayEditor(imageOverlay) );
}
}
//--------------------------------------------------------------------
// initialize the viewer:
viewer.setSceneData( root );
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
return viewer.run();
}